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ME option Disabled (HAP) doesn't work #883

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filipleple opened this issue Jun 19, 2024 · 5 comments
Closed

ME option Disabled (HAP) doesn't work #883

filipleple opened this issue Jun 19, 2024 · 5 comments
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bug Something isn't working firmware needs review novacustom_v56_mtl NovaCustom V56 Series

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@filipleple
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Component

Dasharo firmware

Device

NovaCustom V56 14th Gen

Dasharo version

v0.9.0-rc2

Dasharo Tools Suite version

No response

Brief summary

ME option Disabled (HAP) doesn't work, ME is still present in lspci (as 00:16.0)

How reproducible

No response

How to reproduce

Set ME option to Disabled (HAP) and boot Ubuntu

Expected behavior

It should disable ME, so it shouldn't be present in lspci

Actual behavior

It is present in lspci

Screenshots

No response

Additional context

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Solutions you've tried

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@filipleple filipleple added bug Something isn't working needs review novacustom_v56_mtl NovaCustom V56 Series labels Jun 19, 2024
@miczyg1
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miczyg1 commented Jun 19, 2024

The newest laptops do not have HAP support yet added in coreboot, so this is "expected" result for now.

We will post an update here if it gets implemented.

@mkopec
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mkopec commented Jun 19, 2024

Fixed by Dasharo/coreboot@c827937 , will close the issue once confirmed.

@mkopec
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mkopec commented Jun 20, 2024

HAP is now visible, but there's an issue with sending EOP when the bit is set, which prevents booting

@mkopec
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mkopec commented Jun 20, 2024

Setting the bit causes the operation mode of CSME to be set to 2 (Debug). coreboot should not allow sending EOP or other HECI cmds in this state

@mkopec
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mkopec commented Jun 20, 2024

Fixed by Dasharo/coreboot@79e3b3a

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Labels
bug Something isn't working firmware needs review novacustom_v56_mtl NovaCustom V56 Series
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